Phellodendron Species, Amur Corktree

Phellodendronamurense

Family
Rutaceae (roo-TAY-see-ee)
Genus
Phellodendron (fel-oh-DEN-dron)
Species
amurense (am-or-EN-see)
Synonym
Sun Exposure
Full Sun
Foliage
Deciduous
Height
30-40 ft. (9-12 m)
Spacing
over 40 ft. (12 m)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Green
Bloom Time
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; germinate in a damp paper towel
By grafting
Seed Collecting
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Regional

This plant is said to grow outdoors in the following regions:

Hanna City, Illinois

Lisle, Illinois

Roslindale, Massachusetts

Saint Paul, Minnesota

RIVIERE A LA TRUITE, New Brunswick

Downingtown, Pennsylvania

Cambridge, Wisconsin

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Gardener's Notes:

3
positives
1
neutral
1
negative
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R
Downingtown, PA | July 2019 | neutral

Given time, this tree species becomes an impressive, large, wide spreading tree, especially when in full sun with lots of room. Morton Ar...Read More

R
Niles, OH (Zone 6a) | May 2014 | positive

This infrequently used, hardy tree makes an attractive specimen throughout the year. Its foliage is attractive both in summer and in fall...Read More

C
ROSLINDALE, MA | February 2014 | negative

This tree self-sows weedily where it is happy. It is an aggressive invader of natural areas here in Massachusetts, where sale, trade, tra...Read More

R
Maple Grove, MN (Zone 4a) | February 2006 | positive

This tree was developed by the University of MN to be hardy here.

B
Irving, TX (Zone 8a) | May 2005 | positive

I had planted the cultivar 'Macho' in my yard over three years ago. It has grown ok in some years. Last year it only grew a foot while ...Read More

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